https://medium.com/aelfblockchain/chainlink-network-to-connect-with-aelf-in-new-partnership-77533e18206c
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On Sep 10, 2019, aelf will be integrating Chainlink, a decentralized oracle network that provides tamper-proof data for complex smart contracts. The integration uses Chainlink technology to build an oracle for the aelf blockchain (an oracle is a tool that feeds the on-chain smart contracts with “off-chain” data outside its native blockchain). Chainlink oracles will ensure the security and reliability of any data that enters and exits the aelf blockchain — reinforcing what is often considered the ‘weakest’ link when adopting blockchain into an existing network. This will not only allow the smart contracts on aelf to securely connect to data sources and APIs around the world, but also provide connectivity to other networks in the Chainlink ecosystem, such as Ethereum, Google Cloud, Zilliqa and many more.